Initial Inspection and Diagnostic Overview

1. Verify the customer concern by operating the horn.
2. Visually inspect for obvious signs of mechanical and electrical damage.

VISUAL INSPECTION CHART

Mechanical
^ Damaged horns
^ Damaged horn blow switch

Electrical
^ Blown fuse
^ Damaged wiring harness
^ Loose or corroded connections

3. If the fault is not visually evident, determine the symptom and proceed to Symptom Chart. Symptom Related Diagnostic Procedures